Open Box Hollis LG Pony Bottle Gauge - PSI Scuba Gear Bags Perfect for cave or wreck

Perfect for cave or wreck diving

Lumbar Seamless Design (LSD) and re-engineered covert Blackout zipper

and model parameter modification

and durability of the suit

Open Box Hollis LG Pony Bottle Gauge - PSI Scuba Gear Bags Perfect for cave or wreckPlease note this is an OPEN BOX offer. The item will be in new condition, but may not have original packaging. PRODUCT DESCRIPTION The Hollis Pony Bottle Gauge is a tiny gauge that easily connects to the 7 16" high pressure port of your pony bottle regulator or other alternate tank regulator to show pressure in an easy to read display. Any diver who has used a pony bottle knows the hassle involved with trying to find out how much air is in the tank.